# Machine payments need spending proof, not just payment rails.

URL: https://www.affix-io.com/machine-payments-protocol/
Brand: AffixIO
Page type: SEO and AEO landing page for agentic payments, AI shopping agents and payment proof.

Summary: How AffixIO complements Machine Payments Protocol, MPP, recurring agent payments and machine-to-machine payment proof.

AffixIO positioning: AffixIO sits before payment rails, checkout flows, paid APIs and MCP tool calls. It verifies whether an AI agent should be allowed to act, then returns signed evidence for audit.

Important search terms: Machine Payments Protocol, MPP payments, machine payments, machine-to-machine payments, agent recurring payments, agentic payments, AI checkout, agent verification, signed proof, delegated consent.

Third-party names are mentioned as market examples, not partnership claims, unless a specific integration page says otherwise.

Primary conversion page: https://www.affix-io.com/agentic-pay/
SDK: https://www.npmjs.com/package/affixio